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Isimo Sokuthuthukiswa Kwemboni Evimbela Umlilo YaseShayina
Sekuyisikhathi eside, abakhiqizi bakwamanye amazwe abavela e-United States naseJapan bephethe imakethe yomhlaba wonke ye-flame retardant ngezinzuzo zabo kwezobuchwepheshe, ezezimali kanye nezinhlobo zemikhiqizo. Imboni ye-China retardant flame yaqala sekwephuzile futhi ibilokhu idlala indima yokubamba. Kusukela ngo-2006, yathuthukisa i-r...Funda kabanzi -
Uhlobo Lwezinto Zokulwa Nokugqwala (2)
I. Amafutha Emvelo (okungukuthi Amafutha Esoya, Amafutha Ommbila, njll.) II. Utshwala Ophezulu Wekhabhoni III. Ama-Polyether Antifoamers IV. I-Polyether Modified Silicone …Isahluko Esedlule Uhlobo Lwama-Antifoamers (1) ukuthola imininingwane. V. I-Organic Silicon Antifoamer I-Polydimethylsiloxane, eyaziwa nangokuthi uwoyela we-silicone, iyisakhi esiyinhloko se...Funda kabanzi -
Ukuqonda izibani zokukhanyisa zepulasitiki: Ingabe ziyafana ne-bleach?
Emikhakheni yokukhiqiza kanye nesayensi yezinto zokwakha, ukuphishekela ukuthuthukisa ukukhanga kobuhle kanye nokusebenza kwemikhiqizo akupheli. Enye into entsha ethola ukuthandwa okukhulu ukusetshenziswa kwezibani zokukhanyisa, ikakhulukazi kumapulasitiki. Kodwa-ke, umbuzo ovame ukubuzwa uthi ...Funda kabanzi -
I-OB yokukhanyisa okukhanyayo yamapende nezingubo zokugqoka
I-optical brightener, eyaziwa nangokuthi i-fluorescent whitening agent (FWA), i-fluorescent brightening agent (FBA), noma i-optical brightening agent (OBA), uhlobo lwedayi elikhanyayo noma idayi elimhlophe, elisetshenziswa kabanzi ekwenzeni mhlophe futhi kukhanye amapulasitiki, upende, izembozo, uyinki, njll. Isebenza...Funda kabanzi -
Kuyini i-Ammonium polyphosphate (APP)?
I-Ammonium polyphosphate, ebizwa ngokuthi i-APP, iyi-phosphate equkethe i-nitrogen ebonakala njengempuphu emhlophe. Ngokwezinga layo le-polymerization, ingahlukaniswa ngezinhlobo ezintathu: i-polymerization ephansi, i-polymerization ephakathi kanye ne-polymerization ephezulu. Uma izinga le-polymerization likhula...Funda kabanzi -
Iyini i-Amino Resin DB303?
Igama elithi Amino Resin DB303 lingase lingajwayelekile emphakathini jikelele, kodwa linokubaluleka okukhulu emhlabeni we-chemistry yezimboni kanye nokugqoka. Lesi sihloko sihlose ukucacisa ukuthi iyini i-Amino Resin DB303, ukusetshenziswa kwayo, izinzuzo zayo nokuthi kungani iyingxenye ebalulekile yezimboni ezahlukene. L...Funda kabanzi -
Iyini i-Nucleating agent?
I-Nucleating agent uhlobo lwesithasiselo esisha esisebenzayo esingathuthukisa izakhiwo zomzimba nezemishini zemikhiqizo efana nokucaca, ukucwebezela kobuso, amandla okudonsa, ukuqina, izinga lokushisa lokuphambuka kokushisa, ukumelana nokushayisana, ukumelana nokuqhekeka, njll. ngokushintsha indlela yokwenza ikristalu...Funda kabanzi -
Ziyini izinhlobo zezinciphisi ze-UV?
Izithambisi ze-UV, ezaziwa nangokuthi izihlungi ze-UV noma ama-sunscreen, ziyizinto ezisetshenziswa ukuvikela izinto ezahlukahlukene emiphumeleni eyingozi yemisebe ye-ultraviolet (UV). Esinye sezithambisi ze-UV ezinjalo yi-UV234, okuyindlela ethandwayo yokuvikela emisebeni ye-UV. Kulesi sihloko sizohlola...Funda kabanzi -
Izinzinzisi ze-Hydrolysis – Isihluthulelo Sokwandisa Isikhathi Sokuphila Komkhiqizo
Ngokuthuthuka okuqhubekayo kwemboni nobuchwepheshe besimanje, ukusetshenziswa kwamakhemikhali ekukhiqizweni kwansuku zonke nasempilweni kuya ngokuya kuba banzi. Kule nqubo, indima ebalulekile yi-hydrolysis stabilizer. Muva nje, ukubaluleka kweziqinisi ze-hydrolysis kanye nokusetshenziswa kwazo...Funda kabanzi -
Kuyini i-bis phenyl carbodiimide?
I-Diphenylcarbodiimide, ifomula yamakhemikhali 2162-74-5, iyinhlanganisela edonsele ukunaka kabanzi emkhakheni we-organic chemistry. Inhloso yalesi sihloko ukunikeza umbono jikelele we-diphenylcarbodiimide, izakhiwo zayo, ukusetshenziswa kwayo, kanye nokubaluleka kwayo ekusetshenzisweni okuhlukahlukene. I-Diphenylcarbodi...Funda kabanzi -
I-Antioxidant ye-Phosphite esebenza kahle kakhulu yokucubungula i-Polymer
I-Antioxidant 626 iyi-antioxidant esebenza kahle kakhulu ye-organo-phosphite eyenzelwe ukusetshenziswa ezinqubweni zokukhiqiza ezidingayo ukwenza ama-homopolymer e-ethylene ne-propylene nama-copolymer kanye nokukhiqizwa kwama-elastomers nama-compounds obunjiniyela ikakhulukazi lapho ukuzinza kombala okuhle kakhulu...Funda kabanzi -
Yiziphi izinto ezikhanyisa ukukhanya kwe-fluorescent kumapulasitiki?
Ipulasitiki isetshenziswa kabanzi ezimbonini ezahlukene ngenxa yokuguquguquka kwayo kanye nezindleko eziphansi. Kodwa-ke, inkinga evamile ngamapulasitiki ukuthi avame ukuphuzi noma ashintshe umbala ngokuhamba kwesikhathi ngenxa yokuchayeka ekukhanyeni nasekushiseni. Ukuze kuxazululwe le nkinga, abakhiqizi bavame ukufaka izithasiselo ezibizwa ngokuthi ama-optical brighteners ukuze...Funda kabanzi